diff --git a/.gitattributes b/.gitattributes
index 2f264dd..01331f0 100644
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,5 +1 @@
 lib/.gitkeep export-ignore
-node_modules export-ignore
-package.json export-ignore
-package-lock.json export-ignore
-webpack.config.js export-ignore
diff --git a/.github/workflows/build-release.yml b/.github/workflows/build-release.yml
index eb00553..b9bc234 100644
--- a/.github/workflows/build-release.yml
+++ b/.github/workflows/build-release.yml
@@ -8,10 +8,71 @@ on:  # yamllint disable-line rule:truthy
       - '*'
   workflow_dispatch:
 
+env:
+  HLJS_VERSION: 11.9.0
+  PAKO_VERSION: 2.1.0
+
 jobs:
+  build-hljs:
+    name: Build dependencies
+    runs-on: [ubuntu-latest]
+    strategy:
+      fail-fast: false
+
+    steps:
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - uses: actions/checkout@v4
+        with:
+          repository: 'highlightjs/highlight.js'
+          ref: ${{ env.HLJS_VERSION }}
+
+      - name: Custom build Highlight.js
+        run: |
+          node tools/build.js xml properties http
+
+      - name: 'Upload Hightlight.js build'
+        uses: actions/upload-artifact@v4
+        with:
+          name: hljs
+          path: build/highlight.min.js
+          retention-days: 1
+
+  build-pako:
+    name: Build dependencies
+    runs-on: [ubuntu-latest]
+    strategy:
+      fail-fast: false
+
+    steps:
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - uses: actions/checkout@v4
+        with:
+          repository: 'nodeca/pako'
+          ref: "${{ env.PAKO_VERSION }}"
+
+      - name: Custom build Pako
+        run: |
+          npm install --package-lock-only
+          npm clean-install
+          npm run build
+
+      - name: 'Upload Pako build'
+        uses: actions/upload-artifact@v4
+        with:
+          name: pako
+          path: dist/pako.min.js
+          retention-days: 1
+
   build:
     name: Build release
     runs-on: [ubuntu-latest]
+    needs: [build-hljs, build-pako]
     strategy:
       fail-fast: false
 
@@ -26,20 +87,22 @@ jobs:
       - name: Fetch changes
         # Without fetching, we might miss new tags due to caching in Github Actions
         run: git fetch --all
-      - uses: actions/setup-node@v4
+
+      - uses: actions/download-artifact@v4
         with:
-          node-version: 20
+          name: hljs
+          path: lib/
 
-      - name: Install & build assets
-        run: |
-          npx npm-check-updates -u
-          # Make sure the lock-file is up to date before we run clean-install
-          npm install --package-lock-only
-          npm clean-install
-          npm audit fix
+      - uses: actions/download-artifact@v4
+        with:
+          name: pako
+          path: lib/
 
-          cp node_modules/@highlightjs/cdn-assets/highlight.min.js lib/
-          cp node_modules/pako/dist/pako_inflate.js lib/pako_inflate.min.js
+      - uses: geekyeggo/delete-artifact@v4
+        with:
+          name: |
+            hljs
+            pako
 
       # Store the version, stripping any v-prefix
       - name: Write release version
diff --git a/.gitignore b/.gitignore
index f40a255..8bde85f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1 @@
-node_modules
-package-lock.json
 lib/*.js
diff --git a/package.json b/package.json
deleted file mode 100644
index cb1a5a2..0000000
--- a/package.json
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-  "name": "SAML-tracer",
-  "repository": "https://github.com/simplesamlphp/SAML-tracer",
-  "license": "BSD-2-Clause",
-  "engines": {
-    "node": ">=18.0.0",
-    "npm": ">=8.0.0"
-  },
-  "dependencies": {
-    "@highlightjs/cdn-assets": "^11.9.0",
-    "pako": "^2.1.0"
-  }
-}